CN103277655A - Tri-slot variable type gear oil pump - Google Patents
Tri-slot variable type gear oil pump Download PDFInfo
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- CN103277655A CN103277655A CN 201310242269 CN201310242269A CN103277655A CN 103277655 A CN103277655 A CN 103277655A CN 201310242269 CN201310242269 CN 201310242269 CN 201310242269 A CN201310242269 A CN 201310242269A CN 103277655 A CN103277655 A CN 103277655A
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- pump
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Abstract
The invention discloses a tri-slot variable type gear oil pump. The tri-slot variable type gear oil pump comprises a filter screen cover (1), a filter screen (2), a spiral supporting block (3), a pump body (4), a safety valve (5), a driven shaft component (6), a pump cover (7), pump cover screws (8), a sprocket screw (9), a sprocket (10), a driving shaft component (11), a variable control spring (12) and a electric-hydraulic proportional electromagnetic valve (13). The tri-slot variable type gear oil pump has the advantages that a gear type variable-displacement structure variable in engagement length is adopted, and accordingly the oil pump is strong in self-sucking capacity and high in reliability; the electric-hydraulic proportional electromagnetic valve with an SLR (second-level pressure regulation) function enables pressure control to be more stable; output displacement of the oil pump can be regulated according to rotating speed, load, oil pressure and temperature of an engine, and torque consumption can be reduced to the greatest extent when lubrication and functional safety of the engine are guaranteed; and an axial displacement guide (the driven shaft component) of a driven gear is made of special engineering plastic embedded with a powder metallurgy component, so that friction coefficient is decreased, part weight is reduced and abrasion resistance is improved.
Description
Technical field:
The present invention relates to a kind of three-flute variable displacement gear-type oil pump.
Background technique:
Lubricating pump of automobile is the part of a key in the automobile constituent elements, and the operation quality of oil pump directly has influence on the operation of motor car engine.The main effect of oil pump is the friction surface that oil is transported to each oil leab and each movement parts, and during engine operation, oil pump is constantly worked, and guarantees machine oil constantly circulation in lubricating oil path.Because automobile speed faster or slower in the process of moving, neither be constant to the demand of machine oil, so if oil pump can not variable, just can do a lot of idle works.The serious meeting of situation is because the excessive damage oil pump of oil pump outlet pressure, and even the machine engine cisco unity malfunction.
Summary of the invention:
Goal of the invention of the present invention provides a kind of three-flute variable displacement gear-type oil pump.
The present invention adopts following technological scheme to realize its goal of the invention: a kind of three-flute variable displacement gear-type oil pump, and it is made up of filter cover 1, filter screen 2, spiral support block 3, the pump housing 4, safety valve 5, driven shaft parts 6, pump cover 7, pump cover screw 8, sprocket wheel screw 9, sprocket wheel 10, driving axle part 11, Variable Control spring 12, electric-hydraulic proportion solenoid valve 13; Filter cover 1 covers on filter screen 2; Filter screen 2, spiral support block 3 are installed in the filler opening of the pump housing 4 successively; Safety valve 5, electric-hydraulic proportion solenoid valve 13 are installed in the pump housing 4; Driven shaft parts 6 are installed in the pump housing 4 with driving axle part 11 engagements; Pump cover 7 is installed by pump cover screw 8 and the pump housing 4; Sprocket wheel 10 is installed in driving axle part 11 tops by sprocket wheel screw 9; Variable Control spring 12 is installed in driven shaft parts 6 bottoms.
The present invention is in order to solve oil pump excessive problem of oil outlet end pressure in running, be provided with variable spill port 4-4, plug mounting hole 4-9, equalizing orifice 4-10, solenoid valve mounting hole 4-11 at the pump housing 4, be provided with pump cover variable oil groove 7-3, pump cover spill port 7-4 at pump cover 7, and in solenoid valve mounting hole 4-11, be provided with down variable groove 4-12, middle variable groove 4-13, on variable groove 4-14.
Owing to adopted above technology the present invention to realize its goal of the invention preferably, this design adopts the gear type that becomes length of action to become the discharge capacity structure, and the oil pump suction capacity is strong, the reliability height; Electro-hydraulic proportional valve band SLR(secondary pressure is regulated), pressure control is more stable; Can be according to rotating speed and the load of motor, the output discharge capacity of engine oil pressure and temperature regulation oil pump under the situation of guaranteeing engine lubrication and functional safety, at utmost reduces torque consumption; Adopt the embedded metallic sintered products of special engineering plastics as the axial displacement guiding (driven shaft parts) of driven gear, reduced friction factor and pts wt, improved wear resistance.
Description of drawings:
Accompanying drawing 1 is overall structure schematic representation of the present invention.
Accompanying drawing 2 is structural representations of mark 4 of the present invention.
Accompanying drawing 3 is polycrystalline substance schematic representation of mark 4 of the present invention.
Accompanying drawing 4 is polycrystalline substance schematic representation of mark 4 of the present invention.
Accompanying drawing 5 is local structure for amplifying schematic representation of mark 4-10 of the present invention.
Accompanying drawing 6 is structural representations of mark 6 of the present invention.
Accompanying drawing 7 is structural representations of mark 7 of the present invention.
Accompanying drawing 8 is polycrystalline substance schematic representation of mark 7 of the present invention.
Description of reference numerals is seen specification last page form.
Embodiment:
Below in conjunction with accompanying drawing summary of the invention is described further:
Embodiment 1:
By accompanying drawing as can be known, a kind of three-flute variable displacement gear-type oil pump, it is made up of filter cover 1, filter screen 2, spiral support block 3, the pump housing 4, safety valve 5, driven shaft parts 6, pump cover 7, pump cover screw 8, sprocket wheel screw 9, sprocket wheel 10, driving axle part 11, Variable Control spring 12, electric-hydraulic proportion solenoid valve 13; Filter cover 1 covers on filter screen 2; Filter screen 2, spiral support block 3 are installed in the filler opening of the pump housing 4 successively; Safety valve 5, electric-hydraulic proportion solenoid valve 13 are installed in the pump housing 4; Driven shaft parts 6 are installed in the pump housing 4 with driving axle part 11 engagements; Pump cover 7 is installed by pump cover screw 8 and the pump housing 4; Sprocket wheel 10 is installed in driving axle part 11 tops by sprocket wheel screw 9; Variable Control spring 12 is installed in driven shaft parts 6 bottoms.
The pump housing 4 of the present invention refers to: the pump housing; Which is provided with pump housing filler opening 4-1, safety valve parts mounting hole 4-2, pump housing attachment hole 4-3, variable spill port 4-4, oil pump mounting hole 4-5, driven shaft parts mounting hole 4-6, driving axle part mounting hole 4-7, pump housing oil outlet 4-8, plug mounting hole 4-9, equalizing orifice 4-10, solenoid valve mounting hole 4-11; By pump cover screw 8 and pump cover 7 connections; Its structure as shown in Figure 2, its polycrystalline substance is shown in Fig. 3,4, its design attitude is shown in mark 4 in the accompanying drawing 1.
Pump housing filler opening 4-1 of the present invention refers to: the mouth of design on the pump housing 4; It is the mouth of oil-feed; Its design attitude is shown in mark 4-1 in the accompanying drawing 2.
Safety valve parts mounting hole 4-2 of the present invention refers to: the hole of design on the pump housing 4; It is the mounting hole of safety valve 5; Its design attitude is shown in mark 4-2 in the accompanying drawing 2.
Pump housing attachment hole 4-3 of the present invention refers to: the hole of design on the pump housing 4; It is the hole of the pump housing 4 and pump cover 7 connections; It is the mounting hole of pump cover screw 8; Its design attitude is shown in mark 4-3 in the accompanying drawing 2.
Variable spill port 4-4 of the present invention refers to: the hole of design on the pump housing 4; It is the hole of oil return; Its design attitude is shown in mark 4-4 in the accompanying drawing 2.
Oil pump mounting hole 4-5 of the present invention refers to: the hole of design on the pump housing 4; It is the mounting hole of oil pump; Its design attitude is shown in mark 4-5 in the accompanying drawing 2.
Driven shaft parts mounting hole 4-6 of the present invention refers to: the hole of design on the pump housing 4; It is the mounting hole of driven shaft parts 6; Its design attitude is shown in mark 4-6 in the accompanying drawing 2.
Driving axle part mounting hole 4-7 of the present invention refers to: the hole of design on the pump housing 4; It is the mounting hole of driving axle part 11; Its design attitude is shown in mark 4-7 in the accompanying drawing 2.
Pump housing oil outlet 4-8 of the present invention refers to: the mouth of design on the pump housing 4; It is fuel-displaced mouth; Its design attitude is shown in mark 4-8 in the accompanying drawing 3.
Plug mounting hole 4-9 of the present invention refers to: the hole of design on the pump housing 4; Be the mounting hole of plug, its two ends communicate with equalizing orifice 4-10, solenoid valve mounting hole 4-11 respectively; Its design attitude is shown in mark 4-9 in the accompanying drawing 3.
Equalizing orifice 4-10 of the present invention refers to: the hole of design on the pump housing 4; Be the hole of balance oil pressure, communicate with pump housing oil outlet 4-8 by engine cylinder-body; Its design attitude is shown in mark 4-10 in the accompanying drawing 3.
Solenoid valve mounting hole 4-11 of the present invention refers to: the hole of design on the pump housing 4; Be provided with down variable groove 4-12, middle variable groove 4-13 in it, go up variable groove 4-14; It is the mounting hole of electric-hydraulic proportion solenoid valve 13; Its partial enlarged drawing as shown in Figure 5, its design attitude is shown in mark 4-11 in the accompanying drawing 4.
Variable groove 4-12 down of the present invention refers to: the groove of design in solenoid valve mounting hole 4-11; It is the groove that solenoid valve mounting hole 4-11 is connected with driven shaft parts mounting hole 4-6; Its design attitude is shown in mark 4-12 in the accompanying drawing 5.
Variable groove 4-13 refers in of the present invention: the groove of design in solenoid valve mounting hole 4-11; It is the groove that solenoid valve mounting hole 4-11 is connected with plug mounting hole 4-9; Its design attitude is shown in mark 4-13 in the accompanying drawing 5.
The variable groove 4-14 that goes up of the present invention refers to: the groove of design in solenoid valve mounting hole 4-11; It is the groove that solenoid valve mounting hole 4-11 is connected with variable spill port 4-4; Its design attitude is shown in mark 4-14 in the accompanying drawing 5.
Safety valve 5 of the present invention refers to: safety valve; Be installed in the pump housing 4; Shield; Its design attitude is shown in mark 5 in the accompanying drawing 1.
Driven sliding block 6-1 of the present invention refers to: slide block; It is the constituent element of driven shaft parts 6; Be installed in the front end of driven shaft 6-4; Its design attitude is shown in mark 6-1 in the accompanying drawing 6.
Driven gear 6-2 of the present invention refers to: gear; It is the constituent element of driven shaft parts 6; Be installed in the centre of driven shaft 6-4; Its effect is and the gear engagement of driving axle part 11, rotates in opposite directions and carry out pump oil; Its design attitude is shown in mark 6-2 in the accompanying drawing 6.
Active sliding block 6-3 of the present invention refers to: slide block; It is the constituent element of driven shaft parts 6; Be installed in the front end of driven shaft 6-4; Its design attitude is shown in mark 6-1 in the accompanying drawing 6.
Driven shaft 6-4 of the present invention refers to: axle; It is the constituent element of driven shaft parts 6; It is the central shaft of driven sliding block 6-1, driven gear 6-2, active sliding block 6-3; Its design attitude is shown in mark 6-4 in the accompanying drawing 6.
Pump cover 7 of the present invention refers to: pump cover; Which is provided with pump cover attachment hole 7-1, pump cover axis hole 7-2, pump cover variable oil groove 7-3, pump cover spill port 7-4; By pump cover screw 8 and the pump housing 4 connections; Its structure as shown in Figure 7, its design attitude is shown in mark 7 in the accompanying drawing 1.
Pump cover attachment hole 7-1 of the present invention refers to: the hole of design on pump cover 7; It is the connection hole of pump cover 7 and the pump housing 4; Its design attitude is shown in mark 7-1 in the accompanying drawing 7.
Pump cover axis hole 7-2 of the present invention refers to: the hole of design on pump cover 7; It is the central shaft mounting hole of driving axle part 11; Its design attitude is shown in mark 7-2 in the accompanying drawing 7.
Pump cover variable oil groove 7-3 of the present invention refers to: the groove of design on pump cover 7; 7-4 communicates with the pump cover spill port; Its design attitude is shown in mark 7-3 in the accompanying drawing 7.
Pump cover spill port 7-4 of the present invention refers to: the hole of design on pump cover 7; It is the hole of oil return; Its design attitude is shown in mark 7-4 in the accompanying drawing 7.
Sprocket wheel screw 9 of the present invention refers to: screw; Be the installation screw of sprocket wheel 10 on driving axle part 11; Its design attitude is shown in mark 9 in the accompanying drawing 1.
Driving axle part 11 of the present invention refers to: spindle unit; Be installed in the pump housing 4 with 6 engagements of driven shaft parts; Its effect is to cooperate with driven shaft parts 6, rotates in opposite directions and carries out pump oil; Its design attitude is shown in mark 11 in the accompanying drawing 1.
Electric-hydraulic proportion solenoid valve 13 of the present invention refers to: solenoid valve; Be installed on the pump housing 4; Its effect is variable groove 4-12, middle variable groove 4-13 under the control, upward variable groove 4-14's opens and closure; Its design attitude is shown in mark 13 in the accompanying drawing 1.
Embodiment 2:
The present invention is in order to solve oil pump excessive problem of oil outlet end pressure in running, be provided with variable spill port 4-4, plug mounting hole 4-9, equalizing orifice 4-10, solenoid valve mounting hole 4-11 at the pump housing 4, be provided with pump cover variable oil groove 7-3, pump cover spill port 7-4 at pump cover 7, and in solenoid valve mounting hole 4-11, be provided with down variable groove 4-12, middle variable groove 4-13, on variable groove 4-14.
Oil pump is in running, and to oil outlet pump oil, oil outlet can produce bigger pressure from filler opening, and this pressure is far longer than filler opening.When oil outlet end pressure reached or surpass preset pressure value, electric-hydraulic proportion solenoid valve 13 can be opened automatically, and namely variable spill port 4-4, driven shaft parts mounting hole 4-6, plug mounting hole 4-9, equalizing orifice 4-10 can communicate with solenoid valve mounting hole 4-11; The oil pressure of the oil pressure ratio variable spill port 4-4 of the oil pressure of pump housing oil outlet 4-8 and driven shaft parts mounting hole 4-6 bottom is big, this moment, the oil of pump housing oil outlet 4-8 can pass through equalizing orifice 4-10 successively, plug mounting hole 4-9, middle variable groove 4-13 enters solenoid valve mounting hole 4-11, the oil of driven shaft parts mounting hole 4-6 bottom can enter solenoid valve mounting hole 4-11 by following variable groove 4-12, oil in the solenoid valve mounting hole 4-11 can pass through variable spill port 4-4 successively because of oil pressure difference stream simultaneously, pump cover spill port 7-4 flows into pump cover variable oil groove 7-3, along with the oil pressure among the pump cover variable oil groove 7-3 increases gradually, move down gradually thereby promote driven shaft parts 6; Move down in the process at driven shaft parts 6, the gear length of action of it and driving axle part 11 can shorten, thereby reduces the pump oil mass, reduces the pressure of oil outlet end; When pressure was reduced to certain value, electric-hydraulic proportion solenoid valve 13 cut out, the working state before oil pump is got back to.
| Reference numerals | The mark title | Reference numerals | The |
| 1 | |
5 | Safety valve 5 |
| 2 | |
6 | |
| 3 | |
6-1 | Driven sliding block 6-1 |
| 4 | The |
6-2 | Driven gear 6-2 |
| 4-1 | Pump housing filler opening 4-1 | 6-3 | Active sliding block 6-3 |
| 4-2 | Safety valve parts mounting hole 4-2 | 6-4 | Driven shaft 6-4 |
| 4-3 | Pump housing attachment hole 4-3 | 7 | Pump cover 7 |
| 4-4 | Variable spill port 4-4 | 7-1 | Pump cover attachment hole 7-1 |
| 4-5 | Oil pump mounting hole 4-5 | 7-2 | Pump cover axis hole 7-2 |
| 4-6 | Driven shaft parts mounting hole 4-6 | 7-3 | Pump cover variable oil groove 7-3 |
| 4-7 | Driving axle part mounting hole 4-7 | 7-4 | Pump cover spill port 7-4 |
| 4-8 | Pump housing oil outlet 4-8 | 8 | |
| 4-9 | Plug mounting hole 4-9 | 9 | Sprocket wheel screw 9 |
| 4-10 | Equalizing orifice 4-10 | 10 | |
| 4-11 | Solenoid valve mounting hole 4-11 | 11 | Driving axle part 11 |
| 4-12 | Following variable groove 4-12 | 12 | |
| 4-13 | Middle variable groove 4-13 | 13 | Electric-hydraulic |
| 4-14 | Last variable groove 4-14 | ? | ? |
Claims (2)
1. three-flute variable displacement gear-type oil pump is characterized in that it is made up of filter cover (1), filter screen (2), spiral support block (3), the pump housing (4), safety valve (5), driven shaft parts (6), pump cover (7), pump cover screw (8), sprocket wheel screw (9), sprocket wheel (10), driving axle part (11), Variable Control spring (12), electric-hydraulic proportion solenoid valve (13); Filter cover (1) covers on filter screen (2); Filter screen (2), spiral support block (3) are installed in the filler opening of the pump housing (4) successively; Safety valve (5), electric-hydraulic proportion solenoid valve (13) are installed in the pump housing (4); Driven shaft parts (6) are installed in the pump housing (4) with driving axle part (11) engagement; Pump cover (7) is installed by pump cover screw (8) and the pump housing (4); Sprocket wheel (10) is installed in driving axle part (11) top by sprocket wheel screw (9); Variable Control spring (12) is installed in driven shaft parts (6) bottom.
2. a kind of three-flute variable displacement gear-type oil pump according to claim 1, it is characterized in that being provided with variable spill port (4-4), plug mounting hole (4-9), equalizing orifice (4-10), solenoid valve mounting hole (4-11) at the pump housing (4), be provided with pump cover variable oil groove (7-3), pump cover spill port (7-4) at pump cover (7), and in solenoid valve mounting hole (4-11), be provided with following variable groove (4-12), middle variable groove (4-13), last variable groove (4-14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310242269 CN103277655A (en) | 2013-06-19 | 2013-06-19 | Tri-slot variable type gear oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310242269 CN103277655A (en) | 2013-06-19 | 2013-06-19 | Tri-slot variable type gear oil pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103277655A true CN103277655A (en) | 2013-09-04 |
Family
ID=49060247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201310242269 Pending CN103277655A (en) | 2013-06-19 | 2013-06-19 | Tri-slot variable type gear oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103277655A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371086A (en) * | 2015-12-14 | 2016-03-02 | 联禾厚普（太仓）精密机械有限公司 | Two-chamber cover of engine oil pump |
| CN105371091A (en) * | 2015-12-14 | 2016-03-02 | 联禾厚普（太仓）精密机械有限公司 | Heat-dissipating and weight-losing engine oil pump housing |
| CN105583392A (en) * | 2016-02-29 | 2016-05-18 | 联禾厚普（太仓）精密机械有限公司 | Core sliding block for die casting of oil pump housing |
-
2013
- 2013-06-19 CN CN 201310242269 patent/CN103277655A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105371086A (en) * | 2015-12-14 | 2016-03-02 | 联禾厚普（太仓）精密机械有限公司 | Two-chamber cover of engine oil pump |
| CN105371091A (en) * | 2015-12-14 | 2016-03-02 | 联禾厚普（太仓）精密机械有限公司 | Heat-dissipating and weight-losing engine oil pump housing |
| CN105583392A (en) * | 2016-02-29 | 2016-05-18 | 联禾厚普（太仓）精密机械有限公司 | Core sliding block for die casting of oil pump housing |
| CN105583392B (en) * | 2016-02-29 | 2017-10-20 | 联禾厚普（太仓）精密机械有限公司 | A kind of core body sliding block of oil pump case die casting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130904 |